JP2008050688A5 - - Google Patents

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JP2008050688A5
JP2008050688A5 JP2007178352A JP2007178352A JP2008050688A5 JP 2008050688 A5 JP2008050688 A5 JP 2008050688A5 JP 2007178352 A JP2007178352 A JP 2007178352A JP 2007178352 A JP2007178352 A JP 2007178352A JP 2008050688 A5 JP2008050688 A5 JP 2008050688A5
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Prior art keywords
sintered layer
mass
steel plate
sliding material
sintering step
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JP2007178352A
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JP4462297B2 (en
JP2008050688A (en
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Claims (7)

鋼板と、該鋼板上に設けられた焼結層とから成り、該焼結層が、Sn８〜１２質量％、残部CuからなるCu-Sn合金のマトリックス中に、Cu, Sn, Biの合計量に対しBi５〜１５質量％の割合でBiが分散して成る焼結層であり、該焼結層におけるBiの偏在度が1/9〜3/9であることを特徴とする摺動材料。   It consists of a steel plate and a sintered layer provided on the steel plate, and the sintered layer is a total amount of Cu, Sn, and Bi in a Cu-Sn alloy matrix consisting of Sn 8-12 mass% and the balance Cu. A sliding material characterized in that it is a sintered layer in which Bi is dispersed at a ratio of Bi to 15% by mass, and the uneven distribution of Bi in the sintered layer is 1/9 to 3/9. 前記Cu-Sn合金のSn含有量が９〜１１質量％である請求項１記載の摺動材料。   The sliding material according to claim 1, wherein the Sn content of the Cu-Sn alloy is 9 to 11 mass%. 前記焼結層のBi含有量が７〜９質量％である請求項１または２記載の摺動材料。   The sliding material according to claim 1 or 2, wherein the Bi content of the sintered layer is 7 to 9% by mass. 請求項１〜４のいずれかに記載の摺動材料からなり、摺動することによって摺動面のBiが非摺動体に付着して除去されて、油溜まりを形成することを特徴とする摺動部品。  A sliding material comprising the sliding material according to any one of claims 1 to 4, wherein Bi on the sliding surface adheres to and is removed by sliding to form an oil reservoir. Moving parts. （i）Sn８〜１２質量％、残部Cuからなる合金粉とBi粉を混合して、該合金粉とBi粉との合計量に対してBi５〜１５質量％であって、Bi粒子が偏在する不均一混合粉にする混合工程；
（ii）前記不均一混合粉を鋼板上に層状に散布する散布工程；
（iii）散布された不均一混合粉と鋼板を加熱することにより不均一混合粉と鋼板、および不均一混合粉の粒子同士を焼結し、鋼板上にBi偏在の多孔質焼結層が形成された複層材を得る一次焼結工程；
（iv)前記複層材を押圧して前記多孔質焼結層を緻密化する一次押圧工程；
（v)一次押圧工程で加工硬化した鋼板の硬度を下げるとともに緻密化した焼結層にさらに焼結を行うため加熱する二次焼結工程；および
（vi)二次焼結工程後、得られた複層材をさらに押圧する二次押圧工程；
からなることを特徴とする請求項１記載の摺動材料の製造方法。 (I) The alloy powder and Bi powder which consist of Sn8-12 mass% and remainder Cu are mixed, Bi is 5-15 mass% with respect to the total amount of this alloy powder and Bi powder, and Bi particle is unevenly distributed. Mixing step to make non-uniform mixed powder;
(Ii) A spraying step of spraying the heterogeneous mixed powder in layers on a steel plate;
(Iii) By heating the dispersed non-uniform mixed powder and the steel plate, the non-uniform mixed powder and the steel plate, and the particles of the non-uniform mixed powder are sintered with each other, and a Bi unevenly distributed porous sintered layer is formed on the steel plate. A primary sintering step for obtaining a multilayered material,
(Iv) a primary pressing step of pressing the multilayer material to densify the porous sintered layer;
(V) a secondary sintering step in which the steel layer work-hardened in the primary pressing step is reduced in hardness and heated to further sinter the densified sintered layer; and (vi) obtained after the secondary sintering step. Secondary pressing step of further pressing the multilayer material;
The manufacturing method of the sliding material of Claim 1 characterized by the above-mentioned. 前記一次焼結工程と二次焼結工程における加熱温度が７５０〜８５０℃であることを特徴とする請求項５記載の摺動材料の製造方法。 The method for producing a sliding material according to claim 5 , wherein a heating temperature in the primary sintering step and the secondary sintering step is 750 to 850 ° C. 前記一次焼結工程と二次焼結工程における加熱を還元雰囲気中において行うことを特徴とする請求項５または６記載の摺動材料の製造方法。 The method for manufacturing a sliding material according to claim 5 or 6 , wherein heating in the primary sintering step and the secondary sintering step is performed in a reducing atmosphere.
JP2007178352A 2006-07-11 2007-07-06 Sliding material and manufacturing method thereof Active JP4462297B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007178352A JP4462297B2 (en) 2006-07-11 2007-07-06 Sliding material and manufacturing method thereof

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006190077 2006-07-11
JP2006203621 2006-07-26
JP2007178352A JP4462297B2 (en) 2006-07-11 2007-07-06 Sliding material and manufacturing method thereof

Publications (3)

Publication Number Publication Date
JP2008050688A JP2008050688A (en) 2008-03-06
JP2008050688A5 true JP2008050688A5 (en) 2009-06-25
JP4462297B2 JP4462297B2 (en) 2010-05-12

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090202855A1 (en) * 2008-01-09 2009-08-13 Saxton David M Porous sliding bearing and method of construction thereof
JP4806823B2 (en) * 2008-05-09 2011-11-02 石川県 Bronze alloy and manufacturing method thereof, sliding member using bronze alloy
CN104383726B (en) * 2012-07-30 2016-05-25 第五空间健康管理江苏有限公司 The extracting method of platelet rich plasma and the platelet rich plasma of extraction
JP6940801B1 (en) 2020-12-25 2021-09-29 千住金属工業株式会社 Sliding member, bearing, manufacturing method of sliding member, manufacturing method of bearing

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